/*
 * Copyright (c) Huawei Technologies Co., Ltd. 2025. All rights reserved.
 * You can use this software according to the terms and conditions of the Mulan PSL v2.
 * You may obtain a copy of Mulan PSL v2 at:
 *          http://license.coscl.org.cn/MulanPSL2
 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
 * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
 * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
 * See the Mulan PSL v2 for more details.
 */

#include "BarrierAlignmentUtil.h"
namespace omnistream::runtime {
    long BarrierAlignmentUtil::getTimerDelay(
        long clockMillis,
        const CheckpointBarrier &announcedBarrier)
    {
        long alignedCheckpointTimeout = announcedBarrier.GetCheckpointOptions()->GetAlignedCheckpointTimeout();
        long timePassedSinceCheckpointStart = clockMillis - announcedBarrier.GetTimestamp();
        long retVal = alignedCheckpointTimeout - timePassedSinceCheckpointStart;
        return retVal > 0 ? retVal : 0;
    }
}